Welp, I think it's the quickest app I have ever written that would kinda do what I need at such early stage.
This little script parses #flac music library, convert's it to #mp3 keeping file structure, album arts, as many tags as it can and all the band pictures. I know there probably are tools that could solve this task but I was soooo laaaazy to look for them.

https://git.macaw.me/blue/mlc #programming